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Sökning: WFRF:(Steiniche T.)

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  • Chakera, Annette H., et al. (författare)
  • Sentinel node imaging
  • 2006
  • Ingår i: Current Medical Imaging Reviews. - : Bentham Science Publishers Ltd.. - 1875-6603 .- 1573-4056. ; 2:3, s. 341-346
  • Forskningsöversikt (refereegranskat)abstract
    • Breast cancer and melanoma metastasize predominantly via the lymphatic route. It has long been known that invasion into one or a few nodes draining the primary tumour, the sentinel nodes (SN), is the most important, early sign of dissemination. If no malignant cells are detected in the SN, dissemination is unlikely to be expected. For the last 10 years SN biopsy has become an important tool in staging cancers. Two kinds of tracers are used for SN detection: The blue dye, injected during operation, and radioactively labelled colloid, injected before operation. The lymphatic drainage can then be mapped by following the blue dye by visual inspection during the operation, and with gamma camera imaging before and probe detection during the operation. The variations in the tracers used, and the injection and imaging techniques are discussed. The pathologic examination has also undergone a rapid evolution with more detailed analysis including immunohistochemistry. The use of the SN technique has quickly spread worldwide for melanoma and breast cancer but is also being tested in several other cancers. Reports on the influence on morbidity and mortality reduction are becoming increasingly convincing. The near future of SN examination is finally briefly outlined.
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  • Viborg Lindskrog, Sia, et al. (författare)
  • An integrated multi-omics analysis identifies prognostic molecular subtypes of non-muscle-invasive bladder cancer
  • 2021
  • Ingår i: Nature Communications. - : Springer Nature. - 2041-1723. ; 12:1
  • Tidskriftsartikel (refereegranskat)abstract
    • The molecular landscape in non-muscle-invasive bladder cancer (NMIBC) is characterized by large biological heterogeneity with variable clinical outcomes. Here, we perform an integrative multi-omics analysis of patients diagnosed with NMIBC (n=834). Transcriptomic analysis identifies four classes (1, 2a, 2b and 3) reflecting tumor biology and disease aggressiveness. Both transcriptome-based subtyping and the level of chromosomal instability provide independent prognostic value beyond established prognostic clinicopathological parameters. High chromosomal instability, p53-pathway disruption and APOBEC-related mutations are significantly associated with transcriptomic class 2a and poor outcome. RNA-derived immune cell infiltration is associated with chromosomally unstable tumors and enriched in class 2b. Spatial proteomics analysis confirms the higher infiltration of class 2b tumors and demonstrates an association between higher immune cell infiltration and lower recurrence rates. Finally, the independent prognostic value of the transcriptomic classes is documented in 1228 validation samples using a single sample classification tool. The classifier provides a framework for biomarker discovery and for optimizing treatment and surveillance in next-generation clinical trials.
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